Hiroyoshi Aoki has been granted 5 US patents while listed as an inventor at Maxell . The first was granted in 2020 and the most recent in April 2025. Hiroyoshi Aoki ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Hiroyoshi Aoki in Nagaokakyo, JP.
Patents per Year Patents granted per year, 2020 to 2025 Bar chart with a peak of 2 patents in 2025. peak 2 2020: 1 patents 2020 2022: 1 patents 2022 2024: 1 patents 2024 2025: 2 patents 2025
Issued Patents All Time
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Showing 1–5 of 5 patents
Patent # Title Co-Inventors Date
12283688 Negative electrode for electrochemical element and a lithium ion secondary battery Hiroshi Abe , Seiji Ishizawa , Haruki Kamizori 2025-04-22
12194154 Method for producing hydrogel microcapsules, kit for producing capsules, and use therefor Yutaka Yamagata , Moriya Ohkuma , Masahiro Yuki 2025-01-14
12113210 Electrode for all-solid-state battery and all-solid-state battery Kentaro Tomita , Naoki Matsuoka , Haruki Kamizori 2024-10-08
11322730 Positive electrode for nonaqeous electrolyte secondary battery and a nonaqueous electrolyte secondary battery Yuta Takaichi , Toshiharu SHIMOOKA 2022-05-03
10833313 Positive electrode for nonaqeous electrolyte secondary battery and a nonaqueous electrolyte secondary battery Yuta Takaichi , Toshiharu SHIMOOKA 2020-11-10